Support for a photographic printing paper and a manufacturing pr

Details Support for a photographic printing paper and a manufacturing pr Support for a photographic printing paper and a manufacturing pr

1994-04-28

1995-11-14

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428511, 428513, 428515, 430538, 430523, B32B 516

Patent

active

054665191

ABSTRACT:
A support for a photographic printing paper comprising a substrate and a waterproof resin coating layers provided on the both sides of the substrate, wherein at least the waterproof resin-coating provided on the side of the substrate on which an emulsion for forming an image is coated comprises i) a lowermost waterproof resin coating layer contacting the substrate and ii) at least one upper coating layer containing a waterproof resin capable of melt-extruded at a temperature of from 170.degree. to 290.degree. C. and containing uniformly dispersed titanium dioxide, and a method for manufacturing the support by melt extrusion.

REFERENCES:
patent: 3161519 (1964-12-01), Alsup
patent: 3411908 (1968-11-01), Crawford et al.
patent: 4331508 (1982-05-01), Miyama et al.
patent: 4447524 (1984-05-01), Uno et al.

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